99250900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1997}}^1$

素因数の和:2089

約数の個数: 72

約数和(自身を含む): 249734016

約数和(自身を除く): 150483116

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 71, 100, 140, 142, 175, 284, 350, 355, 497, 700, 710, 994, 1420, 1775, 1988, 1997, 2485, 3550, 3994, 4970, 7100, 7988, 9940, 9985, 12425, 13979, 19970, 24850, 27958, 39940, 49700, 49925, 55916, 69895, 99850, 139790, 141787, 199700, 279580, 283574, 349475, 567148, 698950, 708935, 992509, 1397900, 1417870, 1985018, 2835740, 3544675, 3970036, 4962545, 7089350, 9925090, 14178700, 19850180, 24812725, 49625450, 99250900]

約数ペア:

[(1, 99250900), (2, 49625450), (4, 24812725), (5, 19850180), (7, 14178700), (10, 9925090), (14, 7089350), (20, 4962545), (25, 3970036), (28, 3544675), (35, 2835740), (50, 1985018), (70, 1417870), (71, 1397900), (100, 992509), (140, 708935), (142, 698950), (175, 567148), (284, 349475), (350, 283574), (355, 279580), (497, 199700), (700, 141787), (710, 139790), (994, 99850), (1420, 69895), (1775, 55916), (1988, 49925), (1997, 49700), (2485, 39940), (3550, 27958), (3994, 24850), (4970, 19970), (7100, 13979), (7988, 12425), (9940, 9985)]